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Very Hot Topic (More than 25 Replies) Blumenfeld (Read 25579 times)
HgMan
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Re: Blumenfeld
Reply #33 - 07/14/18 at 03:06:54
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Giving this a bump to pair it with the other post I just made. It's nice to visit my stupidity from more than a decade ago, when we had two threads of analysis running concurrently...
  

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HgMan
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Re: Blumenfeld
Reply #32 - 08/30/08 at 23:39:13
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Is there any way to collate these two threads?
  

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Re: Blumenfeld
Reply #31 - 07/25/06 at 04:51:09
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Hi guys,

After getting Megabase 2006 yesterday, I noticed a totally new (to me!) way of playing the Blumenfeld when looking at some of Volokitin's games.  It looks very interesting to me, and I'm even starting to be tempted to play the Blumenfeld!  Have a look:



Dautov,R (2610) - Volokitin,A (2594) [E10]
Bundesliga 0304 Germany (13.1), 28.03.2004

1.d4 Nf6 2.Nf3 e6 3.c4 c5 4.d5 b5 5.Bg5 exd5 6.cxd5 d6 7.e4 a6 8.a4 Be7 9.Nbd2 Nxd5 10.Bxe7 Qxe7 11.axb5 0-0 12.Bc4 Nb4 13.0-0 Bb7 14.bxa6 N8xa6 15.Re1 Nc7 16.Ra3 Qf6 17.Qb3 Ne6 18.Qc3 Qxc3 19.Rxc3 d5 20.exd5 Bxd5 21.Bxd5 Nxd5 22.Ra3 ½-½



Kozul,Z (2640) - Volokitin,A (2652) [E10]
SLO-chT Celje (3), 30.11.2004

1.d4 Nf6 2.Nf3 e6 3.c4 c5 4.d5 b5 5.Bg5 exd5 6.cxd5 d6 7.e3 a6 8.a4 b4 9.Nbd2 Be7 10.Qb3 0-0 11.h3 Nh5 12.Bxe7 Qxe7 13.Bc4 a5 14.0-0 Nd7 15.Rfe1 Nb6 16.e4 Nf4 17.e5 Bb7 18.exd6 Qxd6 19.Ne4 Qh6 20.Nxc5 Nxc4 21.Nxb7 Qg6 22.g3 Qd3 23.Qxd3 Nxd3 24.Re4 Ncxb2 25.d6 Rfb8 26.Re7 Nc4 27.Nd4 Ra6 28.d7 Kf8 29.Re2 Raa8 30.d8Q+ Rxd8 31.Nxd8 Rxd8 32.Nb3 Nde5 33.Kg2 f6 34.f4 Nd3 35.Kf1 Rc8 36.Rd1 Nc5 37.Nxc5 Rxc5 38.Rd8+ Kf7 39.Rd7+ Kg6 40.Kf2 Nb6 41.Rb7 Nxa4 42.Ree7 Kf5 43.Rxg7 Ke4 44.Rge7+ Kd3 45.Rxh7 Nc3 46.h4 Kc2 47.h5 b3 48.h6 b2 49.Rhe7 Rh5 50.h7 f5 51.g4 fxg4 52.Kg3 a4 53.Kxg4 Rh2 54.f5 a3 55.f6 a2 56.Rxb2+ Kxb2 57.Rb7+ Kc2 58.Ra7 Rxh7 59.Rxa2+ Nxa2 60.Kg5 Nc3 61.Kg6 Rh4 62.f7 Rg4+ 63.Kh6 Rf4 64.Kg7 Ne4 65.f8Q Rxf8 66.Kxf8 ½-½



Avrukh,B (2652) - Volokitin,A (2671) [E10]
GRE-chT 34th Ermioni Argolidas (9), 11.07.2005

1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 b5 5.Bg5 exd5 6.cxd5 d6 7.a4 b4 8.e4 Be7 9.Bb5+ Bd7 10.0-0 0-0 11.Re1 Bxb5 12.axb5 Nbd7 13.Nbd2 Nb6 14.Bf4 Qd7 15.Qe2 Nh5 16.Be3 f5 17.exf5 Qxf5 18.Bxc5 dxc5 19.Qxe7 Nf4 20.Qg5 Qxg5 21.Nxg5 Nd3 22.Re7 Nxd5 23.Rd7 N5f4 24.Nde4 c4 25.g3 h6 26.gxf4 hxg5 27.b3 Rxf4 28.b6 Rxe4 29.Raxa7 Rxa7 30.bxa7 Re8 31.Rb7 cxb3 32.Rb8 b2 33.Rxe8+ Kf7 34.a8Q b1Q+ 35.Kg2 Nf4+ 36.Kg3 Qg1+ 37.Kf3 Qd1+ 38.Kg3 Nh5+ 39.Kg2 Nf4+ 40.Kg3 Ne2+ 41.Kf3 Nf4+ ½-½

What do our resident Blumenfeld experts say about 5.Bg5 exd5 6.cxd5 d6?  A database search reveals that it hasn't scored well overall, but looking at the recent games of higher rated players makes it look playable, and more interesting than the queen trade that occurs after 5...Qa5+.
  
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HgMan
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Re: Blumenfeld
Reply #30 - 06/20/06 at 12:01:50
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A Blumenfeld yesterday between two top players at the Aerosvit GM tournament in Foros.

Bologan,V (2666) - Nisipeanu,LD (2695) [E10]
Aerosvit GM Foros UKR (3), 19.06.2006

1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 b5 5.dxe6 fxe6 6.cxb5 d5 7.g3 a6 8.bxa6 Bd6 9.Bg2
0-0 10.0-0 Nc6 11.Bg5 Bxa6 12.Nc3 h6 13.Bxf6 Qxf6 14.Rc1 Kh8 15.b3 Rac8 16.a4 Rb8 17.Nb5 Bxb5 18.axb5 Rxb5 19.e4 Ne5 20.Ne1 Nc6 21.Nc2 Rxb3 22.exd5 Nb4 23.Nxb4 Rxb4 24.dxe6 Qxe6 25.Bd5 Qf6 26.Ba2 Rb2 27.Rc2 Be5 28.Bb1 g6 29.Qc1 Kg7 30.Rxb2 Bxb2 31.Qxc5 Bd4 32.Qc2 h5 33.h4 Rf7 34.Qe2 Qf3 35.Qxf3 Rxf3 36.Kg2 Rb3 37.f4 Rb2+ 38.Kh3 Bf2 39.Rd1 Re2 40.Rd7+ Kf6 41.Rd6+ Ke7 42.Rxg6 Bg1 43.g4 hxg4+ 44.Rxg4 Rh2+ 45.Kg3 Rb2 46.Be4 Rb3+ 47.Bf3 Be3 48.Rg5 Kf6 49.Ra5 Rb4 50.Ra6+ Kg7 51.f5 Bf4+ 52.Kg4 Bd6+ 53.Kh5 Be7 54.Rg6+ Kh7 55.Bg4 Rd4 56.f6 Bb4 57.Rg7+ Kh8 58.Ra7 Rd8 59.Be6 1-0

I'll have to sit down with the game, but it doesn't look like the opening is at fault in Nisipeanu's loss...
  

"Luck favours the prepared mind."  --Louis Pasteur
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HgMan
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Re: Blumenfeld
Reply #29 - 06/03/06 at 16:53:09
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The other line I've been looking at is:

1 d4 Nf6 2 c4 e6 3 Nf3 c5 4 d5 b5 5 Bg5 exd5 6 cxd5 d6!? 7 e4 a6 8 a4 Be7 9 Bxf6 Bxf6 10 axb5 Bxb2 11 Ra2 Bf6 12 Nbd2 0-0 13 Bd3 Bb7 14 0-0 axb5 15 Rxa8 Bxa8 16 Bxb5

Przewoznik claims White is better with a straightforward plan involving Nc4, Nfd2, f2-f4, and e4-e5, but easier said than done.  Take the following, blunt line as an example: 16 ... Nd7 17 Nc4 Nb6 18 Nfd2 Qc7 19 f4?! Bd4+ 20 Kh1 f5.  I like Black here.  Thoughts?

I'll want to make sure that 10 Qc2, preserving the tension isn't too dangerous, but this looks plausible for Black.  It's interesting that the B on f6 is so frequently such an important part of Black's position. An argument, I suppose, for playing the Benoni or Benko instead...
  

"Luck favours the prepared mind."  --Louis Pasteur
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MNb
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Re: Blumenfeld
Reply #28 - 06/02/06 at 03:26:18
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I prefer 6...Qa5+ 7.Nc3 Ne4 8.Bd2 Nxd2 9.Nfxd2 d6 10.e4 b4 11.Nc4 Qd8 like Browne-Ljubojevic, Buenos Aires 1979.
  

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Re: Blumenfeld
Reply #27 - 06/01/06 at 21:25:05
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1 d4 Nf6 2 c4 e6 3 Nf3 c5 4 d5 b5 5 Bg5 exd5 6 cxd5 h6 7 Bxf6 Qxf6 8 Qc2 d6 9 e4 a6 10 a4 b4 11 Nbd2

What is Black's best here?  Raetsky & Chetvenik suggest 11 ... Nd7 (they reason that 11 ... Bg4 is bad after 12 e5 dxe5 13 Ne4 Qf4 14 Nfd2 Bf5 15 Bd3 Bxe4 16 Nxe4 as in Chernin-Miles, Tunis 1985), but offer only 12 Bd3 in reply for White.  This move has been played twice: in their stem game, Van der Strict-Ikonnikov, Belgium 2001, and in Petrosian-Kholmov, Moscow, 1957, and Black won both games, but Przewoznik suggests that both 12 Be2 and 12 Nc4 provide White with a good game.   Huh

Maybe I should just back up, though.  How does Black respond to 5 Bg5 ?
  

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MNb
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Re: Blumenfeld
Reply #26 - 05/19/06 at 12:14:09
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Yes, that was my experience too. I felt a bit uncomfortable when studying, but in practice I had good results against those, who did not play x.d5. I always feared the day, meeting someone who knew what he was doing, avoiding the Benoni structures, but it did never happen ....
  

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Re: Blumenfeld
Reply #25 - 05/19/06 at 05:07:47
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Ah, that's a pity.  Well, I'm going to try and pick MNb's brain about some of the critical lines, and I hope you won't hesitate to join in.  I won't try too hard to convert you though -- my experience with the benoni has been that after committing to Nf3, many (most?) players refrain from d5, so you should certainly wait until you're happy dealing with these deviations before jumping in.  At the same time, I score very well against these anti's with a variety of set-ups, so I don't complain too much.
  
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Re: Blumenfeld
Reply #24 - 05/19/06 at 01:49:27
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Thanks, Scholar.

I must admit that these anti-Blumenfelds (?!) are dampening my appetite somewhat.  Short of MNb's line below (1 d4 Nf6 2 c4 e6 3 Nf3 c5 4 e3 d5 5 Nc3 a6), I'm not seeing what I'd like here (I'd prefer a semi-Tarrasch with e3), and feel inclined to move toward the Queen's Indian as my complement to the Nimzo-Indian.  It's a shame: I'd like to be able to play the Blumenfeld, but not sure I want to cope with the alternatives.  Perhaps I'll have to give 2 ... c5 a bash every now and then...
  

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Re: Blumenfeld
Reply #23 - 05/17/06 at 02:54:26
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I guess providing the moves would also have cleared things up, thanks MNb!

http://www.chesspub.com/cgi-bin/yabb2/YaBB.pl?num=1114504280/15 (at the moment, just a couple of notches below this thread) deals with some of these move orders and various replies for anti-benonis.

I'll try and return us to the Blumenfeld, but maybe it would make sense to consolidate these discussions in the 'other' Blumenfeld thread (http://www.chesspub.com/cgi-bin/yabb2/YaBB.pl?num=1083864169;start=all)
especially since the opening seems to be assigned there.
  
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MNb
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Re: Blumenfeld
Reply #22 - 05/17/06 at 02:26:19
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As I have stated elsewhere, I find 1.d4 Nf6 2.c4 e6 3.Nc3 c5 4.e3 d5 5.Nc3 a6! most appealing. After 6.cxd5 (best) exd5 Black has a good version of the Tarrasch; after 6.Be2 and 6.Bd3 Black plays dxc4 and has the QGA with an extra tempo.
  

The book had the effect good books usually have: it made the stupids more stupid, the intelligent more intelligent and the other thousands of readers remained unchanged.
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Re: Blumenfeld
Reply #21 - 05/16/06 at 11:18:44
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We're drifting rather rapidly away from the Blumenfeld altogether, but I guess it's useful to concern oneself with early alternatives.  What about 1 d4 Nf6 2 c4 e6 3 Nf3 c5 4 e3 ?
  

"Luck favours the prepared mind."  --Louis Pasteur
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MNb
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Re: Blumenfeld
Reply #20 - 05/16/06 at 02:33:54
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More specifically 3.Nc3 Bb4 4.Nf3 c5 5.g3 cxd4 6.Nxd4 and 3.Nf3 c5 4.Nc3 cxd4 5.Nxd4 Bb4 6.g3.
  

The book had the effect good books usually have: it made the stupids more stupid, the intelligent more intelligent and the other thousands of readers remained unchanged.
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Re: Blumenfeld
Reply #19 - 05/16/06 at 02:27:12
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4.Nc3 cxd4 also has the possibility of a direct transposition into some of the early c5 nimzo lines.  Indeed, I think it looks pretty good for Black in either case, and maybe that transposition is best play from White.  But it might depend a bit on your nimzo repertoire, here.  I think that White's alternatives might have been mentioned elsewhere, perhaps in one of the anti-benoni threads.

(In case it is unclear, for the nimzo, I have in mind the lines where White plays an early g3 as the transpositional bridge.)
  
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